*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    height: 100%;
    font-size: 10px;
    background: #07040e;
    -webkit-tap-highlight-color: transparent;
}

body {
    position: relative;
    min-height: 100%;
    margin: 0;
    color: #e4e4e4;
    font: 500 0.875em "PingFang SC", "Lantinghei SC", "Microsoft Yahei", "Hiragino Sans GB", "Microsoft Sans Serif", "WenQuanYi Micro Hei", sans-serif;
    line-height: 1.66666667;
    background-color: #07040e;
    overflow-x: hidden;
}

a {
    color: #0099d3;
    text-decoration: none;
    background-color: transparent;
}

a:hover,
a:focus {
    color: #00618a;
    text-decoration: underline;
}

img {
    max-width: 100%;
    border: 0;
    vertical-align: middle;
}

button {
    margin: 0;
    font: inherit;
    color: inherit;
    text-transform: none;
    cursor: pointer;
}

.container {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-right: 20px;
    padding-left: 20px;
}

@media (min-width: 768px) {
    .container {
        width: 760px;
    }
}

@media (min-width: 992px) {
    .container {
        width: 980px;
    }
}

@media (min-width: 1200px) {
    .container {
        width: 1180px;
    }
}

.navbar {
    position: relative;
    min-height: 70px;
    margin-bottom: 0;
    border: 1px solid transparent;
}

.navbar-fixed-top {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1030;
}

header .navbar.navbar-default {
    background: #040404 !important;
    border-top: 2px solid #1688c0;
    border-bottom: 0 !important;
    border-radius: 0;
    font-size: 13px;
    filter: progid:DXImageTransform.Microsoft.gradient(enabled=false) !important;
}

.home header .navbar.navbar-default {
    position: absolute !important;
    top: 0 !important;
    right: 0;
    left: 0;
    background: transparent !important;
}

.navbar-container {
    min-height: 70px;
}

.navbar-header {
    min-height: 70px;
}

header .navbar.navbar-default .navbar-brand {
    float: left;
    width: 240px;
    height: 40px;
    margin-top: 15px;
    margin-bottom: 15px;
    padding: 20px 15px;
    color: #fff;
    font-size: 24px;
    font-weight: 600;
    line-height: 0;
    letter-spacing: 1px;
    position: relative;
    white-space: nowrap;
}

header .navbar.navbar-default .navbar-brand:hover,
header .navbar.navbar-default .navbar-brand:focus {
    color: #fff;
    text-decoration: none;
}

.navbar-toggle {
    position: relative;
    float: right;
    margin: 19px 15px 0 0;
    padding: 9px 10px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 4px;
    background: transparent;
}

header .navbar.navbar-default .navbar-toggle:focus,
header .navbar.navbar-default .navbar-toggle:hover {
    border-color: rgba(255, 255, 255, 0.55);
}

.icon-bar {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 1px;
    background-color: #fff;
}

.icon-bar + .icon-bar {
    margin-top: 4px;
}

.navbar-collapse {
    display: none;
    clear: both;
    max-height: 340px;
    padding-right: 20px;
    padding-left: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    overflow-x: visible;
}

header .navbar.navbar-default .navbar-collapse {
    border-top-color: transparent;
    box-shadow: none;
}

.navbar-collapse.is-open {
    display: block;
}

.nav {
    margin: 0;
    padding-left: 0;
    list-style: none;
}

.nav > li > a {
    display: block;
    padding: 7px 20px;
    color: #eee;
    line-height: 20px;
}

header .navbar.navbar-default .navbar-right > li > a:hover,
header .navbar.navbar-default .navbar-right > li > a:focus {
    color: #fff;
    text-decoration: none;
    background: rgba(0, 0, 0, 0.12);
}

.jumbotron {
    position: relative;
    min-height: 100vh;
    margin: 0;
    overflow: hidden;
}

.home .jumbotron {
    padding: 100px 0 110px;
    color: #e4e4e4;
    text-align: center;
    background:
        radial-gradient(circle at 50% -26%, rgba(58, 114, 230, 0.26), rgba(58, 114, 230, 0.04) 38%, rgba(1, 1, 1, 0) 62%),
        linear-gradient(180deg, #070314 0%, #03010d 42%, #02020a 100%);
}

.home .jumbotron::before {
    content: "";
    position: absolute;
    z-index: 1;
    inset: 0;
    pointer-events: none;
    background-image: url("../images/logo-download.jpg");
    background-repeat: no-repeat;
    background-size: 980px 980px;
    background-position: -180px 70px;
    opacity: 0.07;
    filter: grayscale(1) contrast(1.25) brightness(0.45);
}

.home .jumbotron::after {
    content: "";
    position: absolute;
    z-index: 2;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at 50% 52%, rgba(5, 26, 77, 0.2), rgba(4, 8, 28, 0.55) 48%, rgba(1, 1, 8, 0.88) 100%);
}

.home .jumbotron .container,
.home .jumbotron .content,
.home .jumbotron .splash {
    height: 100%;
}

.splash {
    display: table;
    width: 100%;
    position: relative;
    z-index: 11;
}

.content {
    position: relative;
    z-index: 11;
    display: table-cell;
    vertical-align: top;
    padding-top: 72px;
    text-align: center;
}

#canvas {
    position: absolute;
    z-index: 10;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: none;
}

#qq {
    display: block;
    width: 128px;
    height: 128px;
    margin: 20px auto;
    border: 3px solid #00a0ff;
    border-radius: 200px;
    background-size: cover;
    object-fit: cover;
    opacity: 1;
    box-shadow: 0 0 40px rgba(63, 81, 181, 0.72);
    transition: all 1s;
}

#qq:hover {
    box-shadow: 0 0 19px #fff;
    transform: rotate(360deg);
}

.content h1 {
    margin: 22px 0 0;
    font-size: 52px;
    font-weight: 100;
    line-height: 1.2;
    letter-spacing: 10px;
    color: #3bb1dc;
    background: -webkit-linear-gradient(#5feffe, #208bc9);
    background: linear-gradient(#5feffe, #208bc9);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.description {
    position: relative;
    width: min(740px, 88vw);
    margin: 46px auto 40px;
    color: #3bb9ff;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.66666667;
}

.description::after {
    content: "";
    position: absolute;
    top: -24px;
    left: 50%;
    width: 56px;
    height: 2px;
    margin-left: -28px;
    background: #e4e4e4;
}

.download-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0 14px;
    margin-top: 0;
}

.download-actions .button {
    width: 250px;
    margin: 0 0 16px;
    padding: 0 12px;
}

.button {
    display: inline-block;
    height: 40px;
    margin: 0;
    padding: 0 40px;
    color: #666;
    background-color: #eee;
    border-color: #eee;
    border: none;
    font-family: "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
    font-size: 16px;
    font-weight: 300;
    line-height: 40px;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    appearance: none;
    transition-property: all;
    transition-duration: 0.3s;
}

.button:visited {
    color: #666;
}

.button:hover,
.button:focus {
    background-color: #f6f6f6;
    text-decoration: none;
    outline: none;
}

.button-primary,
.button-primary:visited {
    background-color: #1b9af7;
    border-color: #1b9af7;
    color: #fff;
}

.button-primary:hover,
.button-primary:focus {
    background-color: #4cb0f9;
    border-color: #4cb0f9;
    color: #fff;
}

.button-rounded {
    border-radius: 4px;
}

.button-border {
    background: none;
    border-width: 2px;
    border-style: solid;
    line-height: 36px;
}

.button-border.button-primary {
    color: #1b9af7;
}

.button-border.button-primary:hover,
.button-border.button-primary:focus {
    background-color: rgba(76, 176, 249, 0.9);
    color: rgba(255, 255, 255, 0.9);
}

.button-glow {
    animation-duration: 3s;
    animation-iteration-count: infinite;
    animation-name: glowing;
}

.button-glow.button-primary {
    animation-name: glowing-primary;
}

@keyframes glowing {
    from {
        box-shadow: 0 0 0 rgba(44, 154, 219, 0.3);
    }

    50% {
        box-shadow: 0 0 20px rgba(44, 154, 219, 0.8);
    }

    to {
        box-shadow: 0 0 0 rgba(44, 154, 219, 0.3);
    }
}

@keyframes glowing-primary {
    from {
        box-shadow: 0 0 0 rgba(27, 154, 247, 0.3);
    }

    50% {
        box-shadow: 0 0 20px rgba(27, 154, 247, 0.8);
    }

    to {
        box-shadow: 0 0 0 rgba(27, 154, 247, 0.3);
    }
}

.download-form {
    display: none;
}

.error-msg,
.success-msg {
    width: min(760px, calc(100vw - 40px));
    margin: 6px auto 14px;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.6;
    text-align: center;
}

.error-msg {
    color: #ff4d4f;
}

.success-msg {
    color: #62dda9;
}

.marquee-card {
    width: min(1120px, 100%);
    margin: 28px auto 0;
    padding: 0;
    border: 0;
    background: transparent;
}

.marquee-card marquee {
    color: #f00;
    font-size: 20px;
    font-weight: 700;
    line-height: 20px;
}

.site-bottom {
    width: 100%;
    margin-top: 18px;
    box-sizing: border-box;
}

.site-bottom a {
    color: #0099d3;
}

#footer {
    margin-top: 8px;
    color: #b7b7c6;
    font-size: 13px;
}

#footer a {
    margin-left: 3px;
    color: #0099d3;
}

.animated {
    animation-duration: 1s;
    animation-fill-mode: both;
    visibility: visible;
}

.fadeIn {
    animation-name: fadeIn;
}

.fadeInDown {
    animation-name: fadeInDown;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translate3d(0, -100%, 0);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

@media (min-width: 992px) {
    .navbar-header {
        float: left;
    }

    .navbar-toggle {
        display: none;
    }

    .navbar-collapse {
        display: block;
        clear: none;
        border-top: 0;
    }

    .navbar-right {
        float: right;
    }

    .nav > li {
        float: left;
    }

    .navbar.navbar-default .navbar-right > li > a {
        padding: 25px 15px 26px;
        color: #eee;
    }

    .home .navbar.navbar-default .navbar-right > li:hover {
        background: rgba(0, 0, 0, 0.1);
    }
}

@media (max-width: 991px) {
    .home header .navbar.navbar-default .navbar-collapse {
        background: #040404;
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .content {
        padding-top: 52px;
    }

    .content h1 {
        font-size: 50px;
        letter-spacing: 6px;
    }

    .description {
        width: min(680px, 92vw);
        font-size: 15px;
    }

    .download-actions .button {
        width: min(45vw, 280px);
    }
}

@media (max-width: 767px) {
    .navbar-fixed-top {
        position: static;
    }

    .navbar,
    .navbar-container,
    .navbar-header {
        min-height: 54px;
        height: 54px;
    }

    header .navbar.navbar-default .navbar-brand {
        width: auto;
        height: 54px;
        margin: 0;
        padding: 13px 15px;
        font-size: 20px;
        line-height: 28px;
    }

    .navbar-toggle {
        margin: 10px 15px 10px 0;
    }

    .home .jumbotron {
        min-height: calc(100vh - 54px);
        padding: 28px 0 40px;
    }

    .home .jumbotron::before {
        background-size: 620px 620px;
        background-position: -210px 40px;
        opacity: 0.1;
    }

    .content {
        padding-top: 24px;
    }

    .content h1 {
        font-size: 42px;
        letter-spacing: 3px;
    }

    .description {
        margin-top: 34px;
        margin-bottom: 28px;
        font-size: 14px;
    }

    .description::after {
        top: -18px;
    }

    .download-actions {
        display: block;
        width: 100%;
        margin-top: 8px;
    }

    .download-actions .button {
        width: min(320px, calc(100vw - 40px));
        margin-bottom: 12px;
        padding-right: 20px;
        padding-left: 20px;
    }

    .marquee-card {
        margin-top: 20px;
    }

    .marquee-card marquee {
        font-size: 16px;
        line-height: 30px;
    }
}

@media (max-width: 374px) {
    .content h1 {
        font-size: 40px;
    }

    .description {
        font-size: 14px;
    }
}